189221872

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 431972352

約数和(自身を除く): 242750480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 127, 212, 251, 254, 371, 424, 502, 508, 742, 848, 889, 1004, 1016, 1484, 1757, 1778, 2008, 2032, 2968, 3514, 3556, 4016, 5936, 6731, 7028, 7112, 13303, 13462, 14056, 14224, 26606, 26924, 28112, 31877, 47117, 53212, 53848, 63754, 93121, 94234, 106424, 107696, 127508, 186242, 188468, 212848, 223139, 255016, 372484, 376936, 446278, 510032, 744968, 753872, 892556, 1489936, 1689481, 1785112, 3378962, 3570224, 6757924, 11826367, 13515848, 23652734, 27031696, 47305468, 94610936, 189221872]

約数ペア:

[(1, 189221872), (2, 94610936), (4, 47305468), (7, 27031696), (8, 23652734), (14, 13515848), (16, 11826367), (28, 6757924), (53, 3570224), (56, 3378962), (106, 1785112), (112, 1689481), (127, 1489936), (212, 892556), (251, 753872), (254, 744968), (371, 510032), (424, 446278), (502, 376936), (508, 372484), (742, 255016), (848, 223139), (889, 212848), (1004, 188468), (1016, 186242), (1484, 127508), (1757, 107696), (1778, 106424), (2008, 94234), (2032, 93121), (2968, 63754), (3514, 53848), (3556, 53212), (4016, 47117), (5936, 31877), (6731, 28112), (7028, 26924), (7112, 26606), (13303, 14224), (13462, 14056)]